FIRMWARE DETAILS

iOS 26.3.1

Build: 23D8133Mar 4, 2026Delta OTA

Stable

View details

Filename: 3f285d9bbafecb6e316ad8b19acbf7c95a5e14751b49e7b18ccffbaf2ec7438e.aea
File size: 5.17 GB
File type: Delta OTA
Download host: updates.cdn-apple.com
Link availability: Not verified
Source reports active
Last link check: Not checked
SHA-256: 206508732f18087bb50f97ef323c1f39506dcab5854ddf4a299f9bf85e3e174d
SHA-1: 19ad247f4d079e9e8cd2d9052a8afb1b3d952c75
Required starting builds: 22D63, 22D64, 22D72, 22D82
Board restrictions: Not reported

OTA packages can require an exact starting build and board. A matching hardware identifier alone is not sufficient for installation.

iPhone 15 Plus iPhone15,5

Unknown

Signing is specific to the device and file. A signed build does not guarantee a downgrade or successful installation.

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:25 PM UTC
Record fingerprint: d48da896f63809bf3a31e9d1728e206a